'boolean', 'default' => true, 'sanitize_callback' => 'rest_sanitize_boolean', ] ); register_setting( 'pr_core_settings', self::LIMIT_OPTION, [ 'type' => 'integer', 'default' => 3, 'sanitize_callback' => [ $this, 'sanitize_limit' ], ] ); add_settings_section( 'pr_core_related_articles', __( 'Related Articles', 'peptide-repo-core' ), [ $this, 'render_section' ], 'pr_core_settings' ); add_settings_field( self::ENABLED_OPTION, __( 'Enable Related Articles', 'peptide-repo-core' ), [ $this, 'render_enabled_field' ], 'pr_core_settings', 'pr_core_related_articles' ); add_settings_field( self::LIMIT_OPTION, __( 'Number of Articles to Display', 'peptide-repo-core' ), [ $this, 'render_limit_field' ], 'pr_core_settings', 'pr_core_related_articles' ); } /** * Render the settings page. * * @return void */ public function render_page(): void { ?>